56145603 has 8 divisors (see below), whose sum is σ = 76273488. Its totient is φ = 36724064.

The previous prime is 56145587. The next prime is 56145629. The reversal of 56145603 is 30654165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56145603 - 2⁴ = 56145587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56145643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176400 + ... + 176717.

It is an arithmetic number, because the mean of its divisors is an integer number (9534186).

Almost surely, 2^56145603 is an apocalyptic number.

56145603 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

56145603 is a deficient number, since it is larger than the sum of its proper divisors (20127885).

56145603 is a wasteful number, since it uses less digits than its factorization.

56145603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353173.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 56145603 is about 7493.0369677455. The cubic root of 56145603 is about 382.9175311625.

Adding to 56145603 its reverse (30654165), we get a palindrome (86799768).

It can be divided in two parts, 561 and 45603, that added together give a palindrome (46164).

The spelling of 56145603 in words is "fifty-six million, one hundred forty-five thousand, six hundred three".